Please help!!! Need any input/ideas on middle name for my baby girl....

Ok so the baby, due to be born in 3 months, is going to be named Madelyn. That's a done deal, lol....but the middle name choice is driving us crazy! Always back n forth, 1 syllable, or 2......or 3?!! The last name is kinda rare as its German, Reineman pronounced Rye-nuh-men...At first we thought one syllable for sure as it sounds strong, for example MadelynRose... But when I think more about it and say different names over n over it seems to flow better with more syllables when saying first middle and last name in same sentence. IE: MadelynSamantha Reineman vs MadelynGrace Reineman.....and thoughts would be MOST WELCOME......